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Finding the Fourth Proportional to 334.76, 501.79 and 118.19

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Solution

The fourth proportional to 334.76, 501.79 and 118.19 is: 177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.76 : 501.79 = 118.19 : x
  2. Step 2: Convert to fraction form
    334.76/501.79 = 118.19/x
  3. Step 3: Cross multiply
    334.76x = 501.79 × 118.19
  4. Step 4: Simplify right side
    334.76x = 59,304.05
  5. Step 5: Solve for x
    x = 59,304.05/334.76
  6. Step 6: Final answer
    x = 177.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.